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NASA Announces Launch Tweetup for GRAIL Moon Mission
NASA Announces Launch Tweetup for GRAIL Moon Mission
22 Jul 2011
(Source: NASA/JPL)

GRAIL
Artist concept of GRAIL mission. Grail will fly twin spacecraft in tandem orbits around the Moon to measure its gravity field in unprecedented detail. Image credit: NASA/JPL

PASADENA, Calif. -- NASA will host a two-day launch Tweetup for 150 of its Twitter followers on Sept. 7-8 at the agency's Kennedy Space Center in Florida. The Tweetup is expected to culminate in the launch of the twin lunar-bound GRAIL spacecraft aboard a Delta II rocket from Cape Canaveral Air Force Station in Florida.

The launch window opens at 5:37 a.m. PDT (8:37 a.m. EDT) on Sept. 8. The two GRAIL spacecraft will fly in tandem orbits around the moon for several months to measure its gravity field, from its crust to core, in unprecedented detail. The mission also will answer longstanding questions about the moon and provide scientists with a better understanding of how Earth and other rocky planets in the solar system formed.

The Tweetup will provide NASA's Twitter followers with the opportunity to tour the Kennedy Space Center Visitor Complex; speak with scientists and engineers from GRAIL and other upcoming missions; and, if all goes as scheduled, view the spacecraft launch. The event also will provide participants the opportunity to meet fellow tweeps and members of NASA's social media team.

2011 is one of the busiest ever in planetary exploration; GRAIL's liftoff is the third of four space missions launching this year under the management of NASA's Jet Propulsion Laboratory in Pasadena, Calif. Aquarius launched June 10 to study ocean salinity; Juno will launch Aug. 5 to study the origins and interior of Jupiter; and the Mars Science Laboratory/Curiosity rover heads to the Red Planet no earlier than Nov. 25.

Tweetup registration opens at 6 a.m. PDT (9 a.m. EDT) on Tuesday, July 26, and closes at 9 a.m. PDT (noon EDT) on Thursday, July 28. NASA will randomly select 150 participants from online registrations.

For more information and rules about the Tweetup and registration, visit: http://www.nasa.gov/tweetup

To follow NASA on Twitter, visit: http://www.twitter.com/NASA

For information about more ways to connect and collaborate with NASA, visit:http://www.nasa.gov/connect

GRAIL's principal investigator is Maria Zuber of the Massachusetts Institute of Technology, Cambridge. JPL, a division of the California Institute of Technology in Pasadena, manages the mission for NASA.

For more information about GRAIL, visit: http://solarsystem.nasa.gov/grail and http://moon.mit.edu/


Veronica McGregor 818-354-9452
Jet Propulsion Laboratory, Pasadena, Calif.
veronica.c.mcgregor@jpl.nasa.gov

Stephanie L. Schierholz 202-358-4997
Headquarters, Washington
stephanie.schierholz@nasa.gov

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Last Updated: 25 Jul 2011